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Fix PropertiesLauncher classpath detection without 'loader.path' set

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Update `PropertiesLauncher` to restore classpath detection logic applied
when no `loader.path` property is set.

Fixes gh-37992
This commit is contained in:
Phillip Webb
2023-10-24 17:03:18 -07:00
parent c7bae80585
commit 4e7c0737d4
4 changed files with 58 additions and 12 deletions
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29
spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/launch/PropertiesLauncherTests.java
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@@ -18,6 +18,7 @@ package org.springframework.boot.loader.launch;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLClassLoader;
import java.time.Duration;
@@ -26,7 +27,10 @@ import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import org.assertj.core.api.Condition;
import org.awaitility.Awaitility;
@@ -309,8 +313,8 @@ class PropertiesLauncherTests {
assertThat(Arrays.asList(this.launcher.getArgs("bar"))).hasToString("[foo, bar]");
}
@SuppressWarnings("unchecked")
@Test
@SuppressWarnings("unchecked")
void testLoadPathCustomizedUsingManifest() throws Exception {
System.setProperty("loader.home", this.tempDir.getAbsolutePath());
Manifest manifest = new Manifest();
@@ -364,6 +368,29 @@ class PropertiesLauncherTests {
assertThat(bytes).isNotEmpty();
}
@Test // gh-37992
void classPathWithoutLoaderPathDefaultsToJarLauncherIncludes() throws Exception {
File file = new File(this.tempDir, "test.jar");
try (JarOutputStream out = new JarOutputStream(new FileOutputStream(file))) {
try (JarFile in = new JarFile(new File("src/test/resources/jars/app.jar"))) {
out.putNextEntry(new ZipEntry("BOOT-INF/"));
out.putNextEntry(new ZipEntry("BOOT-INF/classes/"));
out.putNextEntry(new ZipEntry("BOOT-INF/classes/demo/"));
out.putNextEntry(new ZipEntry("BOOT-INF/classes/demo/Application.class"));
try (InputStream classIn = in.getInputStream(in.getEntry("demo/Application.class"))) {
classIn.transferTo(out);
}
out.closeEntry();
}
}
Archive archive = new JarFileArchive(file);
System.setProperty("loader.main", "demo.Application");
this.launcher = new PropertiesLauncher(archive);
this.launcher.launch(new String[0]);
waitFor("Hello World");
}
private void waitFor(String value) {
Awaitility.waitAtMost(Duration.ofSeconds(5)).until(this.output::toString, containsString(value));
}